Mark Gabrick holds a bottle of his Texas Tang BBQ sauce (Photo courtesy of Mark Gabrick) Ready for some upbeat news in these troubled times? Here’s some. About two-thirds of H-E-B’s 300 or so Texas grocery stores will begin selling Mark Gabrick’s line of sauces on Jan. 18. “I’m so excited, Gabrick said in a recent interview. “A little nervous, but excited!” Later, he added: “Will I be successful? I don’t know. I hope people like it. I’m thinking the situation with H-E-B was luck.” Luck or not, the journey has been a long one. When the Covid virus pandemic…